1e3f529921
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20116 a1c6a512-1295-4272-9138-f99709370657
193 lines
6 KiB
Python
193 lines
6 KiB
Python
#!/usr/bin/python
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# __________ __ ___.
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# Open \______ \ ____ ____ | | _\_ |__ _______ ___
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# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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# \/ \/ \/ \/ \/
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# $Id$
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#
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# Copyright (C) 2007 Catalin Patulea <cat@vv.carleton.ca>
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#
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# All files in this archive are subject to the GNU General Public License.
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# See the file COPYING in the source tree root for full license agreement.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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import sys, os.path, array, re
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from xml.dom import Node
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from xml.dom.minidom import parse
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C_IDENT_RE = re.compile('^[0-9a-zA-Z_]+$')
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def getText(nodelist):
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rc = ""
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for node in nodelist:
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if node.nodeType == node.TEXT_NODE:
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rc = rc + node.data
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return rc
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def descendAll(root, tagname):
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for child in root.childNodes:
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if child.nodeType == Node.ELEMENT_NODE and child.tagName == tagname:
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yield child
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def descend(root, tagname):
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return descendAll(root, tagname).next()
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def getTagText(root, tagname):
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try:
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tag = descend(root, tagname)
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except StopIteration:
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return None
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return getText(tag.childNodes)
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def main():
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dom = parse(sys.stdin)
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ofd = descend(dom, "ofd")
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object_file = descend(ofd, "object_file")
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object_file_name = descend(object_file, "name")
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out_filepath = getText(object_file_name.childNodes)
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sys.stderr.write("*.out filename (input): %s\n" % out_filepath)
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out_file = open(out_filepath, "rb")
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h_file = sys.stdout
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h_file.write("""#ifndef DSP_IMAGE
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#define DSP_IMAGE
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/*
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* Automatically generated by xml2h.py from %s.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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""" % out_filepath)
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# Section data and directory.
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h_directory = ["""
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static const struct dsp_section dsp_image[] = {"""]
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ti_coff = descend(object_file, "ti_coff")
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for section in descendAll(ti_coff, "section"):
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page = int(getTagText(section, "page") or "0", 16)
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name = getTagText(section, "name")
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physical_addr = int(getTagText(section, "physical_addr"), 16)
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raw_data_size = int(getTagText(section, "raw_data_size"), 16)
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copy = getTagText(section, "copy")
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data = getTagText(section, "data")
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regular = getTagText(section, "regular")
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text = getTagText(section, "text")
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bss = getTagText(section, "bss")
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file_offsets = descend(section, "file_offsets")
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raw_data_ptr = int(getTagText(file_offsets, "raw_data_ptr"), 16)
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if copy:
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# Empirically, .debug* sections have this attribute set.
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sys.stderr.write(
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"%s: didn't copy debug section ('copy' attribute set)\n" %
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name)
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continue
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if raw_data_size == 0:
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sys.stderr.write("%s: not copying empty section\n" % name)
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continue
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if raw_data_size % 2 != 0:
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sys.stderr.write("%s: error, raw_data_size 0x%04x not a multiple "
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"of word size (2 bytes)\n" % (name, raw_data_size))
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break
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if data or regular or text:
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sys.stderr.write("%s: placing 0x%04x words at 0x%04x from offset "
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"0x%08x\n" % (
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name, raw_data_size >> 1, physical_addr, raw_data_ptr))
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sanitized_name = name.replace(".", "_")
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h_file.write(("static const unsigned short _section%s[] = {\n" %
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sanitized_name))
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out_file.seek(raw_data_ptr)
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data = array.array('H')
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data.fromfile(out_file, raw_data_size >> 1)
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h_file.write("\t")
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for word in data:
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h_file.write("0x%04x, " % word)
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h_file.write("""
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};
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""")
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h_directory.append("\t{_section%s, 0x%04x, 0x%04x}," % (
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sanitized_name, physical_addr, raw_data_size >> 1))
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continue
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if bss:
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sys.stderr.write("%s: bss section, 0x%04x words at 0x%04x\n" % (
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name, raw_data_size >> 1, physical_addr))
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h_directory.append("\t{NULL /* %s */, 0x%04x, 0x%04x}," % (
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name, physical_addr, raw_data_size >> 1))
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continue
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sys.stderr.write("%s: error, unprocessed section\n" % name)
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h_file.write("\n")
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h_directory.append("\t{NULL, 0, 0}")
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h_directory.append("};")
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h_file.write("\n".join(h_directory))
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h_file.write("\n")
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# Symbols.
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symbol_table = descend(ti_coff, "symbol_table")
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h_file.write("""
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/* Symbol table, usable with the DSP_() macro (see dsp-target.h). */
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""")
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for symbol in descendAll(symbol_table, "symbol"):
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name = getTagText(symbol, "name")
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kind = getTagText(symbol, "kind")
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value = int(getTagText(symbol, "value"), 16)
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if kind != "defined":
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continue
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if not C_IDENT_RE.match(name):
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continue
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h_file.write("#define %s 0x%04x\n" % (name, value))
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h_file.write("\n#endif\n")
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h_file.close()
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out_file.close()
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dom.unlink()
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if __name__ == "__main__":
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main()
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